xnu-4903.270.47.tar.gz

[apple/xnu.git] / bsd / netinet6 / ip6_var.h

diff --git a/bsd/netinet6/ip6_var.h b/bsd/netinet6/ip6_var.h
index ac02672df1cb16d215fab9abbc0ad5964ea7a393..b0c1b84cb790bd6096c2736f0aea1db684ed243d 100644 (file)
--- a/bsd/netinet6/ip6_var.h
+++ b/bsd/netinet6/ip6_var.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *


@@ -91,7 +91,7 @@
  */
 
 #ifndef _NETINET6_IP6_VAR_H_
  */
 
 #ifndef _NETINET6_IP6_VAR_H_

-#define        _NETINET6_IP6_VAR_H_
+#define _NETINET6_IP6_VAR_H_

 #include <sys/appleapiopts.h>
 
 #ifdef BSD_KERNEL_PRIVATE
 #include <sys/appleapiopts.h>
 
 #ifdef BSD_KERNEL_PRIVATE


@@ -101,79 +101,79 @@
  * IP6 reassembly queue structure.  Each fragment
  * being reassembled is attached to one of these structures.
  */
  * IP6 reassembly queue structure.  Each fragment
  * being reassembled is attached to one of these structures.
  */

-struct ip6q {
+struct  ip6q {

        struct ip6asfrag *ip6q_down;
        struct ip6asfrag *ip6q_up;
        struct ip6asfrag *ip6q_down;
        struct ip6asfrag *ip6q_up;

-       u_int32_t       ip6q_ident;
-       u_int8_t        ip6q_nxt;
-       u_int8_t        ip6q_ecn;
-       u_int8_t        ip6q_ttl;
+       u_int32_t       ip6q_ident;
+       u_int8_t        ip6q_nxt;
+       u_int8_t        ip6q_ecn;
+       u_int8_t        ip6q_ttl;

        struct in6_addr ip6q_src, ip6q_dst;
        struct in6_addr ip6q_src, ip6q_dst;

-       struct ip6q     *ip6q_next;
-       struct ip6q     *ip6q_prev;
-       int             ip6q_unfrglen;  /* len of unfragmentable part */
+       struct ip6q     *ip6q_next;
+       struct ip6q     *ip6q_prev;
+       int             ip6q_unfrglen;  /* len of unfragmentable part */

 #ifdef notyet
 #ifdef notyet

-       u_char  *ip6q_nxtp;
+       u_char  *ip6q_nxtp;

 #endif
 #endif

-       int             ip6q_nfrag;     /* # of fragments */
-       uint32_t        ip6q_csum_flags; /* checksum flags */
-       uint32_t        ip6q_csum;      /* partial checksum value */
+       int             ip6q_nfrag;     /* # of fragments */
+       uint32_t        ip6q_csum_flags; /* checksum flags */
+       uint32_t        ip6q_csum;      /* partial checksum value */

 };
 
 };
 

-struct ip6asfrag {
+struct  ip6asfrag {

        struct ip6asfrag *ip6af_down;
        struct ip6asfrag *ip6af_up;
        struct ip6asfrag *ip6af_down;
        struct ip6asfrag *ip6af_up;

-       struct mbuf     *ip6af_m;
-       int             ip6af_offset;   /* offset in ip6af_m to next header */
-       int             ip6af_frglen;   /* fragmentable part length */
-       int             ip6af_off;      /* fragment offset */
-       u_int16_t       ip6af_mff;      /* more fragment bit in frag off */
+       struct mbuf     *ip6af_m;
+       int             ip6af_offset;   /* offset in ip6af_m to next header */
+       int             ip6af_frglen;   /* fragmentable part length */
+       int             ip6af_off;      /* fragment offset */
+       u_int16_t       ip6af_mff;      /* more fragment bit in frag off */

 };
 
 };
 

-#define        IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))
+#define IP6_REASS_MBUF(ip6af) (*(struct mbuf **)&((ip6af)->ip6af_m))

 
 

-struct ip6_moptions {
+struct  ip6_moptions {

        decl_lck_mtx_data(, im6o_lock);
        decl_lck_mtx_data(, im6o_lock);

-       uint32_t im6o_refcnt;           /* ref count */
-       uint32_t im6o_debug;            /* see ifa_debug flags */
-       struct  ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
-       u_char  im6o_multicast_hlim;    /* hoplimit for outgoing multicasts */
-       u_char  im6o_multicast_loop;    /* 1 >= hear sends if a member */
-       u_short im6o_num_memberships;   /* no. memberships this socket */
-       u_short im6o_max_memberships;   /* max memberships this socket */
-       struct  in6_multi **im6o_membership;    /* group memberships */
-       struct  in6_mfilter *im6o_mfilters;     /* source filters */
-       void (*im6o_trace)              /* callback fn for tracing refs */
-           (struct ip6_moptions *, int);
+       uint32_t im6o_refcnt;           /* ref count */
+       uint32_t im6o_debug;            /* see ifa_debug flags */
+       struct  ifnet *im6o_multicast_ifp; /* ifp for outgoing multicasts */
+       u_char  im6o_multicast_hlim;    /* hoplimit for outgoing multicasts */
+       u_char  im6o_multicast_loop;    /* 1 >= hear sends if a member */
+       u_short im6o_num_memberships;   /* no. memberships this socket */
+       u_short im6o_max_memberships;   /* max memberships this socket */
+       struct  in6_multi **im6o_membership;    /* group memberships */
+       struct  in6_mfilter *im6o_mfilters;     /* source filters */
+       void (*im6o_trace)              /* callback fn for tracing refs */
+       (struct ip6_moptions *, int);

 };
 
 };
 

-#define        IM6O_LOCK_ASSERT_HELD(_im6o)                                    \
-       lck_mtx_assert(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_OWNED)
+#define IM6O_LOCK_ASSERT_HELD(_im6o)                                    \
+       LCK_MTX_ASSERT(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_OWNED)

 
 

-#define        IM6O_LOCK_ASSERT_NOTHELD(_im6o)                                 \
-       lck_mtx_assert(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_NOTOWNED)
+#define IM6O_LOCK_ASSERT_NOTHELD(_im6o)                                 \
+       LCK_MTX_ASSERT(&(_im6o)->im6o_lock, LCK_MTX_ASSERT_NOTOWNED)

 
 

-#define        IM6O_LOCK(_im6o)                                                \
+#define IM6O_LOCK(_im6o)                                                \

        lck_mtx_lock(&(_im6o)->im6o_lock)
 
        lck_mtx_lock(&(_im6o)->im6o_lock)
 

-#define        IM6O_LOCK_SPIN(_im6o)                                           \
+#define IM6O_LOCK_SPIN(_im6o)                                           \

        lck_mtx_lock_spin(&(_im6o)->im6o_lock)
 
        lck_mtx_lock_spin(&(_im6o)->im6o_lock)
 

-#define        IM6O_CONVERT_LOCK(_im6o) do {                                   \
-       IM6O_LOCK_ASSERT_HELD(_im6o);                                   \
-       lck_mtx_convert_spin(&(_im6o)->im6o_lock);                      \
+#define IM6O_CONVERT_LOCK(_im6o) do {                                   \
+       IM6O_LOCK_ASSERT_HELD(_im6o);                                   \
+       lck_mtx_convert_spin(&(_im6o)->im6o_lock);                      \

 } while (0)
 
 } while (0)
 

-#define        IM6O_UNLOCK(_im6o)                                              \
+#define IM6O_UNLOCK(_im6o)                                              \

        lck_mtx_unlock(&(_im6o)->im6o_lock)
 
        lck_mtx_unlock(&(_im6o)->im6o_lock)
 

-#define        IM6O_ADDREF(_im6o)                                              \
+#define IM6O_ADDREF(_im6o)                                              \

        im6o_addref(_im6o, 0)
 
        im6o_addref(_im6o, 0)
 

-#define        IM6O_ADDREF_LOCKED(_im6o)                                       \
+#define IM6O_ADDREF_LOCKED(_im6o)                                       \

        im6o_addref(_im6o, 1)
 
        im6o_addref(_im6o, 1)
 

-#define        IM6O_REMREF(_im6o)                                              \
+#define IM6O_REMREF(_im6o)                                              \

        im6o_remref(_im6o)
 
 struct ip6_exthdrs {
        im6o_remref(_im6o)
 
 struct ip6_exthdrs {


@@ -182,6 +182,7 @@ struct ip6_exthdrs {
        struct mbuf *ip6e_dest1;
        struct mbuf *ip6e_rthdr;
        struct mbuf *ip6e_dest2;
        struct mbuf *ip6e_dest1;
        struct mbuf *ip6e_rthdr;
        struct mbuf *ip6e_dest2;

+       boolean_t merged;

 };
 
 /*
 };
 
 /*


@@ -189,63 +190,63 @@ struct ip6_exthdrs {
  */
 
 /* Routing header related info */
  */
 
 /* Routing header related info */

-struct ip6po_rhinfo {
-       struct  ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
-       struct  route_in6 ip6po_rhi_route; /* Route to the 1st hop */
+struct  ip6po_rhinfo {
+       struct  ip6_rthdr *ip6po_rhi_rthdr; /* Routing header */
+       struct  route_in6 ip6po_rhi_route; /* Route to the 1st hop */

 };
 };

-#define        ip6po_rthdr     ip6po_rhinfo.ip6po_rhi_rthdr
-#define        ip6po_route     ip6po_rhinfo.ip6po_rhi_route
+#define ip6po_rthdr     ip6po_rhinfo.ip6po_rhi_rthdr
+#define ip6po_route     ip6po_rhinfo.ip6po_rhi_route

 
 /* Nexthop related info */
 
 /* Nexthop related info */

-struct ip6po_nhinfo {
-       struct  sockaddr *ip6po_nhi_nexthop;
-       struct  route_in6 ip6po_nhi_route; /* Route to the nexthop */
+struct  ip6po_nhinfo {
+       struct  sockaddr *ip6po_nhi_nexthop;
+       struct  route_in6 ip6po_nhi_route; /* Route to the nexthop */

 };
 };

-#define        ip6po_nexthop   ip6po_nhinfo.ip6po_nhi_nexthop
-#define        ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route
+#define ip6po_nexthop   ip6po_nhinfo.ip6po_nhi_nexthop
+#define ip6po_nextroute ip6po_nhinfo.ip6po_nhi_route

 
 

-struct ip6_pktopts {
-       struct  mbuf *ip6po_m;  /* Pointer to mbuf storing the data */
-       int     ip6po_hlim;     /* Hoplimit for outgoing packets */
+struct  ip6_pktopts {
+       struct  mbuf *ip6po_m;  /* Pointer to mbuf storing the data */
+       int     ip6po_hlim;     /* Hoplimit for outgoing packets */

 
        /* Outgoing IF/address information */
 
        /* Outgoing IF/address information */

-       struct  in6_pktinfo *ip6po_pktinfo;
+       struct  in6_pktinfo *ip6po_pktinfo;

 
        /* Next-hop address information */
 
        /* Next-hop address information */

-       struct  ip6po_nhinfo ip6po_nhinfo;
+       struct  ip6po_nhinfo ip6po_nhinfo;

 
 

-       struct  ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */
+       struct  ip6_hbh *ip6po_hbh; /* Hop-by-Hop options header */

 
        /* Destination options header (before a routing header) */
 
        /* Destination options header (before a routing header) */

-       struct  ip6_dest *ip6po_dest1;
+       struct  ip6_dest *ip6po_dest1;

 
        /* Routing header related info. */
 
        /* Routing header related info. */

-       struct  ip6po_rhinfo ip6po_rhinfo;
+       struct  ip6po_rhinfo ip6po_rhinfo;

 
        /* Destination options header (after a routing header) */
 
        /* Destination options header (after a routing header) */

-       struct  ip6_dest *ip6po_dest2;
+       struct  ip6_dest *ip6po_dest2;

 
 

-       int     ip6po_tclass;   /* traffic class */
+       int     ip6po_tclass;   /* traffic class */

 
 

-       int     ip6po_minmtu;  /* fragment vs PMTU discovery policy */
-#define        IP6PO_MINMTU_MCASTONLY  -1 /* default; send at min MTU for multicast */
-#define        IP6PO_MINMTU_DISABLE     0 /* always perform pmtu disc */
-#define        IP6PO_MINMTU_ALL         1 /* always send at min MTU */
+       int     ip6po_minmtu;  /* fragment vs PMTU discovery policy */
+#define IP6PO_MINMTU_MCASTONLY  -1 /* default; send at min MTU for multicast */
+#define IP6PO_MINMTU_DISABLE     0 /* always perform pmtu disc */
+#define IP6PO_MINMTU_ALL         1 /* always send at min MTU */

 
        /* whether temporary addresses are preferred as source address */
 
        /* whether temporary addresses are preferred as source address */

-       int     ip6po_prefer_tempaddr;
+       int     ip6po_prefer_tempaddr;

 
 

-#define        IP6PO_TEMPADDR_SYSTEM   -1 /* follow the system default */
-#define        IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
-#define        IP6PO_TEMPADDR_PREFER    1 /* prefer temporary address */
+#define IP6PO_TEMPADDR_SYSTEM   -1 /* follow the system default */
+#define IP6PO_TEMPADDR_NOTPREFER 0 /* not prefer temporary address */
+#define IP6PO_TEMPADDR_PREFER    1 /* prefer temporary address */

 
        int ip6po_flags;
 
        int ip6po_flags;

-#if 0  /* parameters in this block is obsolete. do not reuse the values. */
-#define        IP6PO_REACHCONF 0x01    /* upper-layer reachability confirmation. */
-#define        IP6PO_MINMTU    0x02    /* use minimum MTU (IPV6_USE_MIN_MTU) */
+#if 0   /* parameters in this block is obsolete. do not reuse the values. */
+#define IP6PO_REACHCONF 0x01    /* upper-layer reachability confirmation. */
+#define IP6PO_MINMTU    0x02    /* use minimum MTU (IPV6_USE_MIN_MTU) */

 #endif
 #endif

-#define        IP6PO_DONTFRAG          0x04    /* no fragmentation (IPV6_DONTFRAG) */
-#define        IP6PO_USECOA            0x08    /* use care of address */
+#define IP6PO_DONTFRAG          0x04    /* no fragmentation (IPV6_DONTFRAG) */
+#define IP6PO_USECOA            0x08    /* use care of address */

 };
 
 /*
 };
 
 /*


@@ -253,68 +254,75 @@ struct    ip6_pktopts {
  */
 #endif /* BSD_KERNEL_PRIVATE */
 
  */
 #endif /* BSD_KERNEL_PRIVATE */
 

-struct ip6stat {
-       u_quad_t ip6s_total;            /* total packets received */
-       u_quad_t ip6s_tooshort;         /* packet too short */
-       u_quad_t ip6s_toosmall;         /* not enough data */
-       u_quad_t ip6s_fragments;        /* fragments received */
-       u_quad_t ip6s_fragdropped;      /* frags dropped(dups, out of space) */
-       u_quad_t ip6s_fragtimeout;      /* fragments timed out */
-       u_quad_t ip6s_fragoverflow;     /* fragments that exceeded limit */
-       u_quad_t ip6s_forward;          /* packets forwarded */
-       u_quad_t ip6s_cantforward;      /* packets rcvd for unreachable dest */
-       u_quad_t ip6s_redirectsent;     /* packets forwarded on same net */
-       u_quad_t ip6s_delivered;        /* datagrams delivered to upper level */
-       u_quad_t ip6s_localout;         /* total ip packets generated here */
-       u_quad_t ip6s_odropped;         /* lost packets due to nobufs, etc. */
-       u_quad_t ip6s_reassembled;      /* total packets reassembled ok */
-       u_quad_t ip6s_fragmented;       /* datagrams successfully fragmented */
-       u_quad_t ip6s_ofragments;       /* output fragments created */
-       u_quad_t ip6s_cantfrag;         /* don't fragment flag was set, etc. */
-       u_quad_t ip6s_badoptions;       /* error in option processing */
-       u_quad_t ip6s_noroute;          /* packets discarded due to no route */
-       u_quad_t ip6s_badvers;          /* ip6 version != 6 */
-       u_quad_t ip6s_rawout;           /* total raw ip packets generated */
-       u_quad_t ip6s_badscope;         /* scope error */
-       u_quad_t ip6s_notmember;        /* don't join this multicast group */
-       u_quad_t ip6s_nxthist[256];     /* next header history */
-       u_quad_t ip6s_m1;               /* one mbuf */
-       u_quad_t ip6s_m2m[32];          /* two or more mbuf */
-       u_quad_t ip6s_mext1;            /* one ext mbuf */
-       u_quad_t ip6s_mext2m;           /* two or more ext mbuf */
-       u_quad_t ip6s_exthdrtoolong;    /* ext hdr are not continuous */
-       u_quad_t ip6s_nogif;            /* no match gif found */
-       u_quad_t ip6s_toomanyhdr;       /* discarded due to too many headers */
+#define IP6S_SRCRULE_COUNT 16
+#include <netinet6/scope6_var.h>
+
+struct  ip6stat {
+       u_quad_t ip6s_total;            /* total packets received */
+       u_quad_t ip6s_tooshort;         /* packet too short */
+       u_quad_t ip6s_toosmall;         /* not enough data */
+       u_quad_t ip6s_fragments;        /* fragments received */
+       u_quad_t ip6s_fragdropped;      /* frags dropped(dups, out of space) */
+       u_quad_t ip6s_fragtimeout;      /* fragments timed out */
+       u_quad_t ip6s_fragoverflow;     /* fragments that exceeded limit */
+       u_quad_t ip6s_forward;          /* packets forwarded */
+       u_quad_t ip6s_cantforward;      /* packets rcvd for unreachable dest */
+       u_quad_t ip6s_redirectsent;     /* packets forwarded on same net */
+       u_quad_t ip6s_delivered;        /* datagrams delivered to upper level */
+       u_quad_t ip6s_localout;         /* total ip packets generated here */
+       u_quad_t ip6s_odropped;         /* lost packets due to nobufs, etc. */
+       u_quad_t ip6s_reassembled;      /* total packets reassembled ok */
+       u_quad_t ip6s_atmfrag_rcvd;     /* atomic fragments received */
+       u_quad_t ip6s_fragmented;       /* datagrams successfully fragmented */
+       u_quad_t ip6s_ofragments;       /* output fragments created */
+       u_quad_t ip6s_cantfrag;         /* don't fragment flag was set, etc. */
+       u_quad_t ip6s_badoptions;       /* error in option processing */
+       u_quad_t ip6s_noroute;          /* packets discarded due to no route */
+       u_quad_t ip6s_badvers;          /* ip6 version != 6 */
+       u_quad_t ip6s_rawout;           /* total raw ip packets generated */
+       u_quad_t ip6s_badscope;         /* scope error */
+       u_quad_t ip6s_notmember;        /* don't join this multicast group */
+       u_quad_t ip6s_nxthist[256];     /* next header history */
+       u_quad_t ip6s_m1;               /* one mbuf */
+       u_quad_t ip6s_m2m[32];          /* two or more mbuf */
+       u_quad_t ip6s_mext1;            /* one ext mbuf */
+       u_quad_t ip6s_mext2m;           /* two or more ext mbuf */
+       u_quad_t ip6s_exthdrtoolong;    /* ext hdr are not continuous */
+       u_quad_t ip6s_nogif;            /* no match gif found */
+       u_quad_t ip6s_toomanyhdr;       /* discarded due to too many headers */

 
        /*
         * statistics for improvement of the source address selection
         * algorithm:
 
        /*
         * statistics for improvement of the source address selection
         * algorithm:

-        * XXX: hardcoded 16 = # of ip6 multicast scope types + 1

         */
        /* number of times that address selection fails */
        u_quad_t ip6s_sources_none;
        /* number of times that an address on the outgoing I/F is chosen */
         */
        /* number of times that address selection fails */
        u_quad_t ip6s_sources_none;
        /* number of times that an address on the outgoing I/F is chosen */

-       u_quad_t ip6s_sources_sameif[16];
+       u_quad_t ip6s_sources_sameif[SCOPE6_ID_MAX];

        /* number of times that an address on a non-outgoing I/F is chosen */
        /* number of times that an address on a non-outgoing I/F is chosen */

-       u_quad_t ip6s_sources_otherif[16];
+       u_quad_t ip6s_sources_otherif[SCOPE6_ID_MAX];

        /*
         * number of times that an address that has the same scope
         * from the destination is chosen.
         */
        /*
         * number of times that an address that has the same scope
         * from the destination is chosen.
         */

-       u_quad_t ip6s_sources_samescope[16];
+       u_quad_t ip6s_sources_samescope[SCOPE6_ID_MAX];

        /*
         * number of times that an address that has a different scope
         * from the destination is chosen.
         */
        /*
         * number of times that an address that has a different scope
         * from the destination is chosen.
         */

-       u_quad_t ip6s_sources_otherscope[16];
+       u_quad_t ip6s_sources_otherscope[SCOPE6_ID_MAX];

        /* number of times that a deprecated address is chosen */
        /* number of times that a deprecated address is chosen */

-       u_quad_t ip6s_sources_deprecated[16];
+       u_quad_t ip6s_sources_deprecated[SCOPE6_ID_MAX];

 
        u_quad_t ip6s_forward_cachehit;
        u_quad_t ip6s_forward_cachemiss;
 
        /* number of times that each rule of source selection is applied. */
 
        u_quad_t ip6s_forward_cachehit;
        u_quad_t ip6s_forward_cachemiss;
 
        /* number of times that each rule of source selection is applied. */

-       u_quad_t ip6s_sources_rule[16];
+       u_quad_t ip6s_sources_rule[IP6S_SRCRULE_COUNT];
+
+       /* number of times we ignored address on expensive secondary interfaces */
+       u_quad_t ip6s_sources_skip_expensive_secondary_if;
+

        /* pkt dropped, no mbufs for control data */
        u_quad_t ip6s_pktdropcntrl;
 
        /* pkt dropped, no mbufs for control data */
        u_quad_t ip6s_pktdropcntrl;
 


@@ -325,6 +333,44 @@ struct     ip6stat {
 
        /* duplicate address detection collisions */
        u_quad_t ip6s_dad_collide;
 
        /* duplicate address detection collisions */
        u_quad_t ip6s_dad_collide;

+
+       /* DAD NS looped back */
+       u_quad_t ip6s_dad_loopcount;
+
+       /* NECP policy related drop */
+       u_quad_t ip6s_necp_policy_drop;
+
+       /* CLAT46 stats */
+       u_quad_t ip6s_clat464_in_tooshort_drop;
+       u_quad_t ip6s_clat464_in_nov6addr_drop;
+       u_quad_t ip6s_clat464_in_nov4addr_drop;
+       u_quad_t ip6s_clat464_in_v4synthfail_drop;
+       u_quad_t ip6s_clat464_in_64transfail_drop;
+       u_quad_t ip6s_clat464_in_64proto_transfail_drop;
+       u_quad_t ip6s_clat464_in_64frag_transfail_drop;
+       u_quad_t ip6s_clat464_in_invalpbuf_drop;
+       u_quad_t ip6s_clat464_in_success;
+       u_quad_t ip6s_clat464_in_drop;
+       u_quad_t ip6s_clat464_in_v4_drop;
+
+       u_quad_t ip6s_clat464_out_nov6addr_drop;
+       u_quad_t ip6s_clat464_out_v6synthfail_drop;
+       u_quad_t ip6s_clat464_out_46transfail_drop;
+       u_quad_t ip6s_clat464_out_46proto_transfail_drop;
+       u_quad_t ip6s_clat464_out_46frag_transfail_drop;
+       u_quad_t ip6s_clat464_out_invalpbuf_drop;
+       u_quad_t ip6s_clat464_out_success;
+       u_quad_t ip6s_clat464_out_drop;
+
+       u_quad_t ip6s_clat464_v6addr_conffail;
+       u_quad_t ip6s_clat464_plat64_pfx_setfail;
+       u_quad_t ip6s_clat464_plat64_pfx_getfail;
+};
+
+enum ip6s_sources_rule_index {
+       IP6S_SRCRULE_0, IP6S_SRCRULE_1, IP6S_SRCRULE_2, IP6S_SRCRULE_3, IP6S_SRCRULE_4,
+       IP6S_SRCRULE_5, IP6S_SRCRULE_6, IP6S_SRCRULE_7,
+       IP6S_SRCRULE_7x, IP6S_SRCRULE_8

 };
 
 #ifdef BSD_KERNEL_PRIVATE
 };
 
 #ifdef BSD_KERNEL_PRIVATE


@@ -337,20 +383,20 @@ struct    ip6stat {
  */
 struct ip6aux {
        u_int32_t ip6a_flags;
  */
 struct ip6aux {
        u_int32_t ip6a_flags;

-#define        IP6A_HASEEN     0x01            /* HA was present */
+#define IP6A_HASEEN     0x01            /* HA was present */

 
 #ifdef notyet
 
 #ifdef notyet

-#define        IP6A_SWAP       0x02            /* swapped home/care-of on packet */
-#define        IP6A_BRUID      0x04            /* BR Unique Identifier was present */
-#define        IP6A_RTALERTSEEN 0x08           /* rtalert present */
+#define IP6A_SWAP       0x02            /* swapped home/care-of on packet */
+#define IP6A_BRUID      0x04            /* BR Unique Identifier was present */
+#define IP6A_RTALERTSEEN 0x08           /* rtalert present */

 
        /* ip6.ip6_src */
 
        /* ip6.ip6_src */

-       struct in6_addr ip6a_careof;    /* care-of address of the peer */
-       struct in6_addr ip6a_home;      /* home address of the peer */
-       u_int16_t       ip6a_bruid;     /* BR unique identifier */
+       struct in6_addr ip6a_careof;    /* care-of address of the peer */
+       struct in6_addr ip6a_home;      /* home address of the peer */
+       u_int16_t       ip6a_bruid;     /* BR unique identifier */

 
        /* rtalert */
 
        /* rtalert */

-       u_int16_t ip6a_rtalert;         /* rtalert option value */
+       u_int16_t ip6a_rtalert;         /* rtalert option value */

 #endif /* notyet */
 
        /* ether source address if all-nodes multicast destination */
 #endif /* notyet */
 
        /* ether source address if all-nodes multicast destination */


@@ -358,14 +404,14 @@ struct ip6aux {
 };
 
 /* flags passed to ip6_output as last parameter */
 };
 
 /* flags passed to ip6_output as last parameter */

-#define        IPV6_UNSPECSRC          0x01    /* allow :: as the source address */
-#define        IPV6_FORWARDING         0x02    /* most of IPv6 header exists */
-#define        IPV6_MINMTU             0x04    /* use minimum MTU (IPV6_USE_MIN_MTU) */
-#define        IPV6_FLAG_NOSRCIFSEL    0x80    /* bypas source address selection */
-#define        IPV6_OUTARGS            0x100   /* has ancillary output info */
+#define IPV6_UNSPECSRC          0x01    /* allow :: as the source address */
+#define IPV6_FORWARDING         0x02    /* most of IPv6 header exists */
+#define IPV6_MINMTU             0x04    /* use minimum MTU (IPV6_USE_MIN_MTU) */
+#define IPV6_FLAG_NOSRCIFSEL    0x80    /* bypas source address selection */
+#define IPV6_OUTARGS            0x100   /* has ancillary output info */

 
 #ifdef BSD_KERNEL_PRIVATE
 
 #ifdef BSD_KERNEL_PRIVATE

-#define        IP6_HDR_ALIGNED_P(_ip6) ((((uintptr_t)(_ip6)) & ((uintptr_t)3)) == 0)
+#define IP6_HDR_ALIGNED_P(_ip6) ((((uintptr_t)(_ip6)) & ((uintptr_t)3)) == 0)

 
 /*
  * On platforms which require strict alignment (currently for anything but
 
 /*
  * On platforms which require strict alignment (currently for anything but


@@ -373,13 +419,13 @@ struct ip6aux {
  * is 32-bit aligned, and assert otherwise.
  */
 #if defined(__i386__) || defined(__x86_64__)
  * is 32-bit aligned, and assert otherwise.
  */
 #if defined(__i386__) || defined(__x86_64__)

-#define        IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { } while (0)
+#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do { } while (0)

 #else /* !__i386__ && !__x86_64__ */
 #else /* !__i386__ && !__x86_64__ */

-#define        IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do {                       \
-       if (!IP_HDR_ALIGNED_P(_ip6)) {                                  \
-               panic_plain("\n%s: Unaligned IPv6 header %p\n",         \
-                   __func__, _ip6);                                    \
-       }                                                               \
+#define IP6_HDR_STRICT_ALIGNMENT_CHECK(_ip6) do {                       \
+       if (!IP_HDR_ALIGNED_P(_ip6)) {                                  \
+               panic_plain("\n%s: Unaligned IPv6 header %p\n",         \
+                   __func__, _ip6);                                    \
+       }                                                               \

 } while (0)
 #endif /* !__i386__ && !__x86_64__ */
 #endif /* BSD_KERNEL_PRIVATE */
 } while (0)
 #endif /* !__i386__ && !__x86_64__ */
 #endif /* BSD_KERNEL_PRIVATE */


@@ -390,42 +436,46 @@ struct ip6aux {
  * Extra information passed to ip6_output when IPV6_OUTARGS is set.
  */
 struct ip6_out_args {
  * Extra information passed to ip6_output when IPV6_OUTARGS is set.
  */
 struct ip6_out_args {

-       unsigned int    ip6oa_boundif;  /* bound outgoing interface */
-       struct flowadv  ip6oa_flowadv;  /* flow advisory code */
-       u_int32_t       ip6oa_flags;    /* IP6OAF flags (see below) */
-#define        IP6OAF_SELECT_SRCIF     0x00000001      /* src interface selection */
-#define        IP6OAF_BOUND_IF         0x00000002      /* boundif value is valid */
-#define        IP6OAF_BOUND_SRCADDR    0x00000004      /* bound to src address */
-#define        IP6OAF_NO_CELLULAR      0x00000010      /* skip IFT_CELLULAR */
-       u_int32_t       ip6oa_retflags; /* IP6OARF return flags (see below) */
-#define        IP6OARF_IFDENIED        0x00000001      /* denied access to interface */
+       unsigned int    ip6oa_boundif;  /* bound outgoing interface */
+       struct flowadv  ip6oa_flowadv;  /* flow advisory code */
+       u_int32_t       ip6oa_flags;    /* IP6OAF flags (see below) */
+#define IP6OAF_SELECT_SRCIF     0x00000001      /* src interface selection */
+#define IP6OAF_BOUND_IF         0x00000002      /* boundif value is valid */
+#define IP6OAF_BOUND_SRCADDR    0x00000004      /* bound to src address */
+#define IP6OAF_NO_CELLULAR      0x00000010      /* skip IFT_CELLULAR */
+#define IP6OAF_NO_EXPENSIVE     0x00000020      /* skip IFEF_EXPENSIVE */
+#define IP6OAF_AWDL_UNRESTRICTED 0x00000040     /* privileged AWDL */
+#define IP6OAF_QOSMARKING_ALLOWED 0x00000080    /* policy allows Fastlane DSCP marking */
+#define IP6OAF_INTCOPROC_ALLOWED 0x00000100     /* access to internal coproc interfaces */
+#define IP6OAF_NO_LOW_POWER     0x00000200      /* skip low power */
+       u_int32_t       ip6oa_retflags; /* IP6OARF return flags (see below) */
+#define IP6OARF_IFDENIED        0x00000001      /* denied access to interface */
+       int             ip6oa_sotc;             /* traffic class for Fastlane DSCP mapping */
+       int             ip6oa_netsvctype;

 };
 
 };
 

-extern struct ip6stat ip6stat; /* statistics */
-extern int ip6_defhlim;                /* default hop limit */
-extern int ip6_defmcasthlim;   /* default multicast hop limit */
-extern int ip6_forwarding;     /* act as router? */
-extern int ip6_gif_hlim;       /* Hop limit for gif encap packet */
-extern int ip6_use_deprecated; /* allow deprecated addr as source */
-extern int ip6_rr_prune;       /* router renumbering prefix */
-                               /*   walk list every 5 sec. */
-extern int ip6_mcast_pmtu;     /* enable pMTU discovery for multicast? */
-#define        ip6_mapped_addr_on      (!ip6_v6only)
+extern struct ip6stat ip6stat;  /* statistics */
+extern int ip6_defhlim;         /* default hop limit */
+extern int ip6_defmcasthlim;    /* default multicast hop limit */
+extern int ip6_forwarding;      /* act as router? */
+extern int ip6_gif_hlim;        /* Hop limit for gif encap packet */
+extern int ip6_use_deprecated;  /* allow deprecated addr as source */
+extern int ip6_rr_prune;        /* router renumbering prefix */
+                                /*   walk list every 5 sec. */
+extern int ip6_mcast_pmtu;      /* enable pMTU discovery for multicast? */
+#define ip6_mapped_addr_on      (!ip6_v6only)

 extern int ip6_v6only;
 
 extern int ip6_neighborgcthresh; /* Threshold # of NDP entries for GC */
 extern int ip6_v6only;
 
 extern int ip6_neighborgcthresh; /* Threshold # of NDP entries for GC */

-extern int ip6_maxifprefixes;  /* Max acceptable prefixes via RA per IF */
-extern int ip6_maxifdefrouters;        /* Max acceptable def routers via RA */
-extern int ip6_maxdynroutes;   /* Max # of routes created via redirect */
-#if MROUTING
-extern struct socket *ip6_mrouter; /* multicast routing daemon */
-#endif /* MROUTING */
-extern int ip6_sendredirects;  /* send IP redirects when forwarding? */
-extern int ip6_accept_rtadv;   /* deprecated */
+extern int ip6_maxifprefixes;   /* Max acceptable prefixes via RA per IF */
+extern int ip6_maxifdefrouters; /* Max acceptable def routers via RA */
+extern int ip6_maxdynroutes;    /* Max # of routes created via redirect */
+extern int ip6_sendredirects;   /* send IP redirects when forwarding? */
+extern int ip6_accept_rtadv;    /* deprecated */

 extern int ip6_log_interval;
 extern uint64_t ip6_log_time;
 extern int ip6_log_interval;
 extern uint64_t ip6_log_time;

-extern int ip6_hdrnestlimit;   /* upper limit of # of extension headers */
-extern int ip6_dad_count;      /* DupAddrDetectionTransmits */
+extern int ip6_hdrnestlimit;    /* upper limit of # of extension headers */
+extern int ip6_dad_count;       /* DupAddrDetectionTransmits */

 
 /* RFC4193 Unique Local Unicast Prefixes only */
 extern int ip6_only_allow_rfc4193_prefix;
 
 /* RFC4193 Unique Local Unicast Prefixes only */
 extern int ip6_only_allow_rfc4193_prefix;


@@ -433,10 +483,10 @@ extern int ip6_only_allow_rfc4193_prefix;
 extern int ip6_auto_flowlabel;
 extern int ip6_auto_linklocal;
 
 extern int ip6_auto_flowlabel;
 extern int ip6_auto_linklocal;
 

-extern int ip6_anonportmin;            /* minimum ephemeral port */
-extern int ip6_anonportmax;            /* maximum ephemeral port */
-extern int ip6_lowportmin;             /* minimum reserved port */
-extern int ip6_lowportmax;             /* maximum reserved port */
+extern int ip6_anonportmin;             /* minimum ephemeral port */
+extern int ip6_anonportmax;             /* maximum ephemeral port */
+extern int ip6_lowportmin;              /* minimum reserved port */
+extern int ip6_lowportmax;              /* maximum reserved port */

 
 extern int ip6_use_tempaddr; /* whether to use temporary addresses. */
 
 
 extern int ip6_use_tempaddr; /* whether to use temporary addresses. */
 


@@ -449,10 +499,9 @@ extern int ip6_use_defzone;
 extern struct pr_usrreqs rip6_usrreqs;
 extern struct pr_usrreqs icmp6_dgram_usrreqs;
 
 extern struct pr_usrreqs rip6_usrreqs;
 extern struct pr_usrreqs icmp6_dgram_usrreqs;
 

-extern int ip6_doscopedroute;
-

 struct sockopt;
 struct inpcb;
 struct sockopt;
 struct inpcb;

+struct ip6_hdr;

 struct in6_ifaddr;
 struct ip6protosw;
 struct domain;
 struct in6_ifaddr;
 struct ip6protosw;
 struct domain;


@@ -484,9 +533,6 @@ extern struct ip6aux *ip6_addaux(struct mbuf *);
 extern struct ip6aux *ip6_findaux(struct mbuf *);
 extern void ip6_delaux(struct mbuf *);
 
 extern struct ip6aux *ip6_findaux(struct mbuf *);
 extern void ip6_delaux(struct mbuf *);
 

-#if MROUTING
-extern int ip6_mforward(struct ip6_hdr *, struct ifnet *, struct mbuf *);
-#endif /* MROUTING */

 extern int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *,
     u_int32_t *);
 extern struct mbuf **ip6_savecontrol_v4(struct inpcb *, struct mbuf *,
 extern int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *,
     u_int32_t *);
 extern struct mbuf **ip6_savecontrol_v4(struct inpcb *, struct mbuf *,


@@ -509,6 +555,8 @@ extern void ip6_clearpktopts(struct ip6_pktopts *, int);
 extern struct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int);
 extern int ip6_optlen(struct inpcb *);
 extern void ip6_drain(void);
 extern struct ip6_pktopts *ip6_copypktopts(struct ip6_pktopts *, int);
 extern int ip6_optlen(struct inpcb *);
 extern void ip6_drain(void);

+extern int ip6_do_fragmentation(struct mbuf **, uint32_t, struct ifnet *, uint32_t,
+    struct ip6_hdr *, struct ip6_exthdrs *, uint32_t, int);

 
 extern int route6_input(struct mbuf **, int *, int);
 
 
 extern int route6_input(struct mbuf **, int *, int);
 


@@ -517,12 +565,21 @@ extern int frag6_input(struct mbuf **, int *, int);
 extern void frag6_drain(void);
 
 extern int rip6_input(struct mbuf **, int *, int);
 extern void frag6_drain(void);
 
 extern int rip6_input(struct mbuf **, int *, int);

-extern void rip6_ctlinput(int, struct sockaddr *, void *);
+extern void rip6_ctlinput(int, struct sockaddr *, void *, struct ifnet *);

 extern int rip6_ctloutput(struct socket *so, struct sockopt *sopt);
 extern int rip6_output(struct mbuf *, struct socket *, struct sockaddr_in6 *,
     struct mbuf *, int);
 
 extern int dest6_input(struct mbuf **, int *, int);
 extern int rip6_ctloutput(struct socket *so, struct sockopt *sopt);
 extern int rip6_output(struct mbuf *, struct socket *, struct sockaddr_in6 *,
     struct mbuf *, int);
 
 extern int dest6_input(struct mbuf **, int *, int);

+/*
+ * IPv6 source address selection hints
+ */
+#define IPV6_SRCSEL_HINT_PREFER_TMPADDR         0x00000001
+
+extern struct ifaddr * in6_selectsrc_core_ifa(struct sockaddr_in6 *, struct ifnet *, int);
+extern struct in6_addr * in6_selectsrc_core(struct sockaddr_in6 *,
+    uint32_t, struct ifnet *, int,
+    struct in6_addr *, struct ifnet **, int *, struct ifaddr **);

 extern struct in6_addr *in6_selectsrc(struct sockaddr_in6 *,
     struct ip6_pktopts *, struct inpcb *, struct route_in6 *,
     struct ifnet **, struct in6_addr *, unsigned int, int *);
 extern struct in6_addr *in6_selectsrc(struct sockaddr_in6 *,
     struct ip6_pktopts *, struct inpcb *, struct route_in6 *,
     struct ifnet **, struct in6_addr *, unsigned int, int *);